.title {
    border-bottom-width: 0;
}

.middle > div {
    border: 1px solid red;
}


.middle > div > div:nth-child(1) {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid red;
}

.middle > div > div:nth-child(1) > div:nth-child(2) {
    display: flex;


}

.middle > div > div:nth-child(1) > div:nth-child(2) > div {
    padding: 0 20px;
    line-height: 61px;
    background-color: rgb(243, 243, 243);
}

.middle > div > div:nth-child(1) > div:nth-child(2) > div:hover {
    background-color: #E69039;
    color: white;
}

/*-----------新闻内容-----------------*/
.middle > div > div:nth-child(2) {
    padding: 10px;
}

.middle > div > div:nth-child(2) > div:nth-child(1) > div {
    display: flex;
    justify-content: space-between;
    border-bottom: 1px solid red;
    margin: 10px 0 0 0;
    color: #4c81db;
    line-height: 30px;
}

.middle > div > div:nth-child(2) > div:nth-child(1) > div > div:nth-child(1) {
    display: flex;
}